Rg 6 catv coax for cable tv, broadband internet and video interconnects and telephony service from cable tv service providers. Frequency sweep tested to 3Ghz to ensure full HD transmission of all channels. Dual shield style (foil and aluminum braid.) rated as communication cable (cm) for permanent installation in concealed spaces (NEC, cm). black jacket; 250Ft reel. Print legend includes: "Rg6 18 awg ccs dual shield 60% al braid cm or Cl2 or catv 75C sun res swept to 3.0 ghz".